The tool (100) has a combustion motor (10) provided with a cylinder (11) and a gasifier (12), which is arranged in a gasifier space (13) that is separated from a motor compartment (15) by an intermediate wall (14). A housing (16) of the tool partially encl...

The present invention provides an engine cover structure for an engine (1) whose cylinder head (7) is covered at three of front, rear, right and left sides thereof by a fuel tank (10), an air cleaner (20) and a muffler (9), respectively, comprising a cover...

An internal combustion engine for a motorcycle provided with a leg shield (15) having right and left side walls extending on the opposite sides of a front frame (2) extending obliquely downward toward the rear from an upper part of a front fork (5). The in...

The engine has a valve gear mechanism provided above a combustion chamber and a cooling air passage (32) extending in fore-and-aft direction between the chamber and a valve gear mechanism along an exhaust and an intake port. A laterally extending cooling a...

Object; In a forced air-cooled type engine for motorcycle in which an engine main body comprising as a part of component elements thereof a cylinder head having a cylinder axis set substantially horizontally and a spark plug mounted at least one of left an...